Finding the Fourth Proportional to 227,456.64, 313,788.69 and 131,907.99
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Solution
The fourth proportional to 227,456.64, 313,788.69 and 131,907.99 is: 181,974.18
Step by Step Solution
- Step 1: Write the proportion equation
227,456.64 : 313,788.69 = 131,907.99 : x - Step 2: Convert to fraction form
227,456.64/313,788.69 = 131,907.99/x - Step 3: Cross multiply
227,456.64x = 313,788.69 × 131,907.99 - Step 4: Simplify right side
227,456.64x = 41,391,235,382.63 - Step 5: Solve for x
x = 41,391,235,382.63/227,456.64 - Step 6: Final answer
x = 181,974.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.